supply of set of contact rings for tap changer no. 32set of contact rings for tap changer no. 32,set of contact rings for tap changer no. 32. consisting of 2 items 2 nos. (1). contact ring inner bt p art. no. s-1608 drg. no. ag 207772p2 or aal pt. no. g1608 drg. no. 9910383465002 or rdso drg. no. sk el 4653 qty. 01 no. (2). contact ring outer bt part. no. s-1609 drg. no. ag 207772p1 or aal pt. no. g1609 drg. no. 9910383465001 or rdso drg. no. skel 4654 qty. 01 no. [ warranty period: 30 months after the date of delivery ] [quantity tolerance (+/-): 5 %age , item category : normal , total po value variation permitted: max 8 lacs ] ] => limited